html{
  font-size: 62.5%;
}
body{
  font-size: 1.6rem;
  background-color: #ffffff;
}
.about_topimg{
  width: 100%;
  height: 400px;
  overflow: hidden;
  position: absolute;
}
.about_topimg_top{
  position: absolute;
  /*top:300px;*/
  width: 100%;
  padding-top: 10%;
  padding-left: 10%;
  box-sizing: border-box;
  color: white;
  background-color: rgba(255,255,255,0);
}
.about_center{
  position: absolute;
  top:550px;
  width: 100%;
  height: 200px;
  /*background-color: red;*/
}
.about_center_left{
  width: 60%;
  float: left;
}
.about_center_right{
  width: 40%;
  float: left;
  padding-top: 110px;
}
.about_center_left_title{
  width: 80%;
  height: 80px;
  line-height: 80px;
  margin: auto;
  font-weight: 900;
  font-size: 2.8rem;
  color: #70eee8;
}
.about_center_left_content{
  width: 80%;
  min-height: 80px;
  margin: auto;
  text-align: left;
}
.about_center_after{
  position: absolute;
  top:1100px;
  width: 100%;
  min-height: 300px;
  /*padding-left: 30%;*/
  text-align: center;
}
.about_center_after img{
  width: 900px;
  height: 600px;
}
.footer_container{
  width: 100%;
  height: 240px;
  position: absolute;
  top:1800px;
}




